WebSVN - idreammicro-avr - Blame - Rev 42 - /trunk/projects/clock/clock.c

Rev	Author	Line No.	Line
19	jlesech	1	/************************************************************************//
		2	* \brief DS1307 RTC library - Demonstration program
		3	* \author Copyright (C) 2011 Julien Le Sech - www.idreammicro.com
		4	* \version 1.0
		5	* \date 20090501
		6	*
		7	* This file is part of the iDreamMicro library.
		8	*
		9	* This library is free software: you can redistribute it and/or modify it under
		10	* the terms of the GNU Lesser General Public License as published by the Free
		11	* Software Foundation, either version 3 of the License, or (at your option) any
		12	* later version.
		13	*
		14	* This library is distributed in the hope that it will be useful, but WITHOUT
		15	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
		16	* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
		17	* details.
		18	*
		19	* You should have received a copy of the GNU Lesser General Public License
		20	* along with this program. If not, see http://www.gnu.org/licenses/
		21	******************************************************************************/
		22
		23	/************************************************************************//
		24	* \file demo_ds1307.c
		25	******************************************************************************/
		26
		27	/******************************************************************************
		28	* Header file inclusions.
		29	******************************************************************************/
		30
37	jlesech	31	#include <deuligne/deuligne.h>
19	jlesech	32	#include <ds1307/ds1307.h>
37	jlesech	33	#include <twi/twi.h>
19	jlesech	34	#include <usart/usart0.h>
		35	#include <useful/datetime.h>
		36
		37	#include <avr/io.h>
		38	#include <util/delay.h>
		39
42	jlesech	40	#include <assert.h>
19	jlesech	41	#include <stdio.h>
24	jlesech	42	#include <stdlib.h>
19	jlesech	43	#include <string.h>
		44
		45	/******************************************************************************
42	jlesech	46	* Private function prototypes.
		47	******************************************************************************/
		48
		49	/************************************************************************//
		50	* \fn static void clock__transmit_string(const char* p_string)
		51	*
		52	* \brief Transmit a string through USART.
		53	*
		54	* \param[in] p_string String to transmit.
		55	******************************************************************************/
		56	static
		57	void
		58	clock__transmit_string
		59	(
		60	const char* p_string
		61	);
		62
		63	/******************************************************************************
19	jlesech	64	* Main function.
		65	******************************************************************************/
		66
		67	/************************************************************************//
		68	* \fn int main(void)
		69	*
		70	* \brief Main function.
		71	*
		72	* \return 0
		73	******************************************************************************/
		74	int main(void)
		75	{
		76	// Initialize USART0.
		77	usart0__initialize(NULL);
		78
37	jlesech	79	// Enable transmitter.
19	jlesech	80	usart0__enable_transmitter();
		81
37	jlesech	82	// Initialize TWI.
		83	twi__initialize(100000);
		84
19	jlesech	85	// Initialize RTC.
42	jlesech	86	ds1307__initialize();
19	jlesech	87
42	jlesech	88	// Declare some variables.
		89	datetime__time_t time =
		90	{
		91	.seconds = 00,
		92	.minutes = 29,
		93	.hours = 19,
		94	.meridiem = 0
		95	};
		96	ds1307__hour_mode_t hour_mode = DS1307__HOUR_MODE__24_HOUR;
19	jlesech	97
42	jlesech	98	datetime__date_t date =
		99	{
		100	.day = 3,
		101	.date = 5,
		102	.month = 5,
		103	.year = 9
		104	};
19	jlesech	105
42	jlesech	106	// Initialize Deuligne and configure display.
37	jlesech	107	deuligne__initialize();
		108	deuligne__set_display(true, true, true);
		109
		110	// Switch on backlight.
		111	deuligne__switch_on_backlight();
		112
42	jlesech	113	// Set time and hour mode.
		114	//ds1307__set_time(&time, hour_mode);
19	jlesech	115
42	jlesech	116	// Set date.
		117	//ds1307__set_date(&date);
19	jlesech	118
42	jlesech	119	for (;;)
		120	{
		121	// Get RTC time.
		122	ds1307__get_time(&time, &hour_mode);
19	jlesech	123
42	jlesech	124	// Get RTC date.
		125	ds1307__get_date(&date);
19	jlesech	126
42	jlesech	127	char str_date[] = "dd/mm/yy";
37	jlesech	128	snprintf
		129	(
		130	str_date,
		131	strlen(str_date) + 1,
		132	"%02u/%02u/%02u",
		133	date.date,
		134	date.month,
		135	date.year
		136	);
19	jlesech	137
37	jlesech	138	char str_time[] = "hh:mm:ss";
		139	snprintf
		140	(
		141	str_time,
		142	strlen(str_time) + 1,
		143	"%02u:%02u:%02u",
		144	time.hours,
		145	time.minutes,
		146	time.seconds
		147	);
19	jlesech	148
42	jlesech	149	clock__transmit_string(&(str_date[0]));
37	jlesech	150	usart0__transmit_byte(' ');
42	jlesech	151	clock__transmit_string(&(str_time[0]));
37	jlesech	152	usart0__transmit_byte('\n');
		153
		154	deuligne__set_cursor_position(DEULIGNE__DISPLAY_LINE_1, 0);
		155	deuligne__write_string(str_date);
		156
		157	deuligne__set_cursor_position(DEULIGNE__DISPLAY_LINE_2, 0);
		158	deuligne__write_string(str_time);
		159
42	jlesech	160	_delay_ms(1000);
		161	}
19	jlesech	162
42	jlesech	163	return 0;
19	jlesech	164	}
42	jlesech	165
		166	/******************************************************************************
		167	* Private function definitions.
		168	******************************************************************************/
		169
		170	/************************************************************************//
		171	* \fn static void clock__transmit_string(const char* p_string)
		172	*
		173	* \brief Transmit a string through USART.
		174	*
		175	* \param[in] p_string String to transmit.
		176	******************************************************************************/
		177	static
		178	void
		179	clock__transmit_string
		180	(
		181	const char* p_string
		182	){
		183	// Check the preconditions.
		184	assert(NULL != p_string);
		185
		186	while (*p_string != '\0')
		187	{
		188	usart0__transmit_byte(*p_string);
		189	p_string++;
		190	}
		191	}

Subversion Repositories idreammicro-avr

(root)/trunk/projects/clock/clock.c @ 43 - Rev 42